Kritsana Chuchuay. 2002. The development of the Lumpinee Park nature learning guide for the family. Field of Study Environmental Education, Mahidol University;
Kritsana Chuchuay. (2002) The development of the Lumpinee Park nature learning guide for the family . Mahidol University/Bangkok.
Kritsana Chuchuay. The development of the Lumpinee Park nature learning guide for the family. . Bangkok:Mahidol University, 2002.
Kritsana Chuchuay. (2002) The development of the Lumpinee Park nature learning guide for the family . Mahidol University/Bangkok.